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Security update for amazon-ssm-agent

Type: advisorySource: OSV1 source record

This update for amazon-ssm-agent fixes the following issue: - CVE-2026-56854: golang.org/x/crypto/ssh: source-address restriction bypassed in 5 callback families (bsc#1278681) - CVE-2026-56855: golang.org/x/crypto/ssh: prevent DoS on deadlocked established channel (bsc#1278681) - CVE-2026-78662: golang.org/x/crypto/ssh: prevent DoS on deadlocked undecided channel (bsc#1278681). Changes for amazon-ssm-agent: - Update to version 3.3.5390.0

Announced Group revision 1
Original source ↗

SUSE-SU-2026:4372-1

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:SUSE-SU-2026:4372-1

amazon-ssm-agent

Source reference: /affected/0/package/name

Affected versions
Not stated in this record
Fixed versions
3.3.5390.0-150000.5.43.1

Source reference: /affected/0/ranges

Prerequisites
Not stated in this record

amazon-ssm-agent

Source reference: /affected/1/package/name

Affected versions
Not stated in this record
Fixed versions
3.3.5390.0-150000.5.43.1

Source reference: /affected/1/ranges

Prerequisites
Not stated in this record

amazon-ssm-agent

Source reference: /affected/2/package/name

Affected versions
Not stated in this record
Fixed versions
3.3.5390.0-150000.5.43.1

Source reference: /affected/2/ranges

Prerequisites
Not stated in this record

amazon-ssm-agent

Source reference: /affected/3/package/name

Affected versions
Not stated in this record
Fixed versions
3.3.5390.0-150000.5.43.1

Source reference: /affected/3/ranges

Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "3.3.5390.0-150000.5.43.1"
          }
        ]
      }
    ],
    "package": {
      "name": "amazon-ssm-agent",
      "purl": "pkg:rpm/suse/amazon-ssm-agent&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP4",
      "ecosystem": "SUSE:Linux Enterprise Module for Public Cloud 15 SP4"
    },
    "database_specific": {
      "source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4372-1.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "amazon-ssm-agent": "3.3.5390.0-150000.5.43.1"
        }
      ]
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "3.3.5390.0-150000.5.43.1"
          }
        ]
      }
    ],
    "package": {
      "name": "amazon-ssm-agent",
      "purl": "pkg:rpm/suse/amazon-ssm-agent&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5",
      "ecosystem": "SUSE:Linux Enterprise Module for Public Cloud 15 SP5"
    },
    "database_specific": {
      "source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4372-1.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "amazon-ssm-agent": "3.3.5390.0-150000.5.43.1"
        }
      ]
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "3.3.5390.0-150000.5.43.1"
          }
        ]
      }
    ],
    "package": {
      "name": "amazon-ssm-agent",
      "purl": "pkg:rpm/suse/amazon-ssm-agent&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6",
      "ecosystem": "SUSE:Linux Enterprise Module for Public Cloud 15 SP6"
    },
    "database_specific": {
      "source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4372-1.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "amazon-ssm-agent": "3.3.5390.0-150000.5.43.1"
        }
      ]
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "3.3.5390.0-150000.5.43.1"
          }
        ]
      }
    ],
    "package": {
      "name": "amazon-ssm-agent",
      "purl": "pkg:rpm/suse/amazon-ssm-agent&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7",
      "ecosystem": "SUSE:Linux Enterprise Module for Public Cloud 15 SP7"
    },
    "database_specific": {
      "source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4372-1.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "amazon-ssm-agent": "3.3.5390.0-150000.5.43.1"
        }
      ]
    }
  }
]

Publisher severity

No explicit severity was provided.

Event
#25904 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement

Revision history

  1. SUSE-SU-2026:4372-1 · Revision 1Source updated